Studies on genotype and diagnosis of tuberculosis in Asian elephants (Elephas maximus) of Nepal [an abstract of dissertation and a summary of dissertation review]Studies on genotype and diagnosis of tuberculosis in Asian elephants (Elephas maximus) of Nepal [an abstract of dissertation and a summary of dissertation review]ネパールのアジアゾウにおける結核の遺伝子型別および診断に関する研究 [論文内容及び審査の要旨]